Technology Questions

Q:

Why synchronization?

Answer

When ever two or more threads are sharing same data for updating then unpredicted result will be there in the data.


For Example take a thread is depositing amount in Account Object and another thread is withdrawing amount from the same Account Object.


when ever both threads are executed simultaneously then unexpected result is stored in the balance of the  Account Object. 

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Subject: Java

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Q:

We can modify an existing Company from

A) Company Info > Alter B) Gateway of Tally > Modify Company
C) Company Info > Alter Company D) All of the above
 
Answer & Explanation Answer: A) Company Info > Alter

Explanation:
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Filed Under: SQL
Job Role: Analyst , Database Administration , IT Trainer

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Q:

What is the advantage of using ADO?

Answer

ADO or Active X Data objects, allows developers to create applications that can interoperate well with other data application services.

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Q:

Which function would you use to insert a record into a database?

Answer

The dba_insert() function adds a record to a database.

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Subject: PHP

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Q:

AND, OR and NOT are examples of

A) Clauses B) Boolean operators
C) Conjuctive operators D) Exclusive operators
 
Answer & Explanation Answer: B) Boolean operators

Explanation:
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Q:

why protected modifier?

Answer

Outside the package if any other class other than JVM calls the finalize method our class then it is not allowed

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Subject: Java

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Q:

How can record locking be achieved in those DB2 versions which do not support it?

Answer

It can be done by setting the record length’s size to more than half of the page’s size.

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Q:

Which input type defines a slider control?

A) type B) source
C) aside D) body
 
Answer & Explanation Answer: A) type

Explanation:

The input type attribute TYPE defines the slider control.

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Filed Under: Application Development
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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